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s2008m [1.1K]
3 years ago
7

Which r-value represents the weakest correlation? –0.75 –0.27 0.11 0.54

Mathematics
1 answer:
Anit [1.1K]3 years ago
8 0

Answer:

0.11

Step-by-step explanation:

Strongest correlation:

The strongest correlations happen for r = -1 and r = 1, that is, when r has the higher absolute value.

In this question:

The value of r with the lowest correlation is the one with the lowest absolute value(absolute value of -0.75 is 0.75 for example), so it is 0.11, which is the answer.

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3. Given ABCD ≅ FGHJ and mC = 9x - 7, mH = 5x + 13, find the value of x and the measures of angle C and angle H. Show all work
kondor19780726 [428]

Answers:

x = 5

m∠C = m∠H = 38 degrees

 

 

WORKINGS

 

Given that ABCD ≅ FGHJ

We know that corresponding angles of two congruent quadrilaterals are equal

Therefore,

m∠A = m∠F

m∠B = m∠G

m∠C = m∠H

m∠D = m∠I

 

Given,

m∠C = 9x – 7

m∠H = 5x + 13

 

Since m∠C = m∠H

9x – 7 = 5x + 13

 

Add 7 to both sides of the equation

9x – 7 + 7 = 5x + 13 + 7

9x = 5x + 20

 

Subtract 5x from both sides of the equation

9x – 5x = 5x – 5x + 20

4x = 20

 

Divide both sides of the equation by 4

4x/4 = 20/4

x = 5

 

 

To determine the measures of angle C and angle H

m∠C = m∠H

 

We know that m∠C = 9x – 7

Since x = 5

m∠C = 9(5) – 7

m∠C = 45 – 7

m∠C = 38

 

Therefore, m∠C = m∠H = 38 degrees
4 0
3 years ago
What is y=-1/4x+4 written in standard form? plsss help!
Dominik [7]

Answer:

The standard form of this slope-intercept form is x + 4y = 16.

6 0
3 years ago
Read 2 more answers
PLZ HELP!!
kaheart [24]
Pretty sure its A. Apartment A (mark brainliest if correct plz)
3 0
3 years ago
(1/3)9 to the third power =
AlekseyPX
The answer would be 
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3^3 = 3*3*3, which then we multiply:
3*3=9, 9*3=27.
27 is the answer.


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8 0
3 years ago
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Using the technique in the model above, find the missing sides in this 30°-60°-90° right triangle.
nydimaria [60]
For this case what you should do is use the following trigonometric relationship:
 tan (x) = C.O / C.A
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 x: angle
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 C.A: adjoining catheto
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 long = 2 * tan (60)
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3 years ago
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